如何从docker化的Tomee服务器上运行的应用程序成功连接到Dockerized DB2 DB服务器 - 两个容器都使用jdk10？
到目前为止我试图做的......
将db2jcc4.jar删入“/ usr / local / tomee / lib”文件夹...
...从...获取：
https://www-01.ibm.com/support/docview.wss?uid=swg21385217
Fwiw，tomcat服务器的初始启动抱怨它无法找到pdq.jar ...：
05-Sep-2018 16:48:04.901 INFO [localhost-startStop-1] org.apache.openejb.assembler.classic.Assembler.createApplication Deployed Application(path=C:\tools\apache-tomee-plume-7.0.5\webapps\docs)
05-Sep-2018 16:48:04.956 WARNING [localhost-startStop-1] org.apache.tomcat.util.scan.StandardJarScanner.processURLs Failed to scan [file:/C:/tools/apache-tomee-plume-7.0.5/lib/pdq.jar] from classloader hierarchy
java.io.IOException: java.lang.reflect.InvocationTargetException
at org.apache.tomcat.util.compat.Jre9Compat.jarFileNewInstance(Jre9Compat.java:212)
at org.apache.tomcat.util.scan.JarFileUrlJar.<init>(JarFileUrlJar.java:65)
at org.apache.tomcat.util.scan.JarFactory.newInstance(JarFactory.java:49)
at org.apache.tomcat.util.scan.StandardJarScanner.process(StandardJarScanner.java:374)
at org.apache.tomcat.util.scan.StandardJarScanner.processURLs(StandardJarScanner.java:309)
at org.apache.tomcat.util.scan.StandardJarScanner.doScanClassPath(StandardJarScanner.java:266)
at org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:229)
at org.apache.tomee.loader.TomEEJarScanner.scan(TomEEJarScanner.java:69)
at org.apache.catalina.startup.ContextConfig.processJarsForWebFragments(ContextConfig.java:1888)
at org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1116)
at org.apache.catalina.startup.OpenEJBContextConfig.webConfig(OpenEJBContextConfig.java:411)
at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:765)
at org.apache.catalina.startup.OpenEJBContextConfig.configureStart(OpenEJBContextConfig.java:124)
at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:299)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5154)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:754)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:730)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1140)
at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1875)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.GeneratedConstructorAccessor10.newInstance(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:488)
at org.apache.tomcat.util.compat.Jre9Compat.jarFileNewInstance(Jre9Compat.java:209)
... 26 more
Caused by: java.nio.file.NoSuchFileException: C:\tools\apache-tomee-plume-7.0.5\lib\pdq.jar
at java.base/sun.nio.fs.WindowsException.translateToIOException(WindowsException.java:85)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:103)
at java.base/sun.nio.fs.WindowsException.rethrowAsIOException(WindowsException.java:108)
at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:53)
at java.base/sun.nio.fs.WindowsFileAttributeViews$Basic.readAttributes(WindowsFileAttributeViews.java:38)
at java.base/sun.nio.fs.WindowsFileSystemProvider.readAttributes(WindowsFileSystemProvider.java:194)
at java.base/java.nio.file.Files.readAttributes(Files.java:1755)
at java.base/java.util.zip.ZipFile$Source.get(ZipFile.java:1220)
at java.base/java.util.zip.ZipFile$CleanableResource.<init>(ZipFile.java:727)
at java.base/java.util.zip.ZipFile$CleanableResource.get(ZipFile.java:845)
at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:245)
at java.base/java.util.zip.ZipFile.<init>(ZipFile.java:175)
at java.base/java.util.jar.JarFile.<init>(JarFile.java:341)
... 30 more
...所以我从jar的manifest类路径中删除了pdq.jar，之后启动了tomee / tomcat服务器。
我部署了一个简单的REST应用程序 - 包含一个GET方法 - 利用一个简单的jdbc调用从IBM“SAMPLE”数据库（与db2express-c捆绑在一起）中提取数据
该应用程序看起来像这样......
package aaa.bbb.ccc.war;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Deque;
import java.util.List;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import javax.sql.DataSource;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriInfo;
import aaa.bbb.ccc.generated.EmployeeList;
import aaa.bbb.ccc.generated.EmployeeType;
import aaa.bbb.ccc.generated.ObjectFactory;
@Stateless
@Path("/employeeList")
public class MyRestSvc {
@Context
UriInfo uriInfo;
public MyRestSvc() {
}
@Resource(name = "jdbc/sample", type = javax.sql.DataSource.class)
private DataSource sampleDb;
@GET
@Path("{empno}")
@Produces({ MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML })
public EmployeeList get(@Context javax.servlet.http.HttpServletRequest request, @PathParam("empno") String empno) {
String empNo = null;
Connection con = null;
Statement stmt = null;
ResultSet rs = null;
try {
con = sampleDb.getConnection();
con.setAutoCommit(false);
// Create the Statement
stmt = con.createStatement();
System.out.println("**** Created JDBC Statement object");
// Execute a query and generate a ResultSet instance
rs = stmt.executeQuery("SELECT EMPNO FROM EMPLOYEE");
System.out.println("**** Created JDBC ResultSet object");
// Print all of the employee numbers to standard output device
while (rs.next()) {
empNo = rs.getString(1);
System.out.println("Employee number = " + empNo);
}
System.out.println("**** Fetched all rows from JDBC ResultSet");
// Close the ResultSet
rs.close();
System.out.println("**** Closed JDBC ResultSet");
// Close the Statement
stmt.close();
System.out.println("**** Closed JDBC Statement");
// Connection must be on a unit-of-work boundary to allow close
con.commit();
System.out.println("**** Transaction committed");
// Close the connection
con.close();
} catch (SQLException e) {
e.printStackTrace();
} finally {
if (con != null) {
System.out.println("Connected successfully.");
try {
con.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
return new EmployeeList();
}
}
我运行了一个测试curl命令来执行GET操作...即，
curl -k -v -L -H "Content-Type: application/xml" -X GET http://localhost:8888/MyRestSvc/employeeList/000190
并收到此例外......
“异常java.net.ConnectException：在端口50,000上打开到服务器localhost / 127.0.0.1的套接字时出错：消息：连接被拒绝（连接被拒绝）.ERRORCODE = -4499，SQLSTATE = 08001”
即，
-
-
-
10-Sep-2018 21:04:15.767 INFO [main] org.apache.openejb.assembler.classic.Assembler.createRecipe Creating Resource(id=jdbc/sample)
10-Sep-2018 21:04:16.173 SEVERE [main] org.apache.tomcat.jdbc.pool.ConnectionPool.init Unable to create initial connections of pool.
com.ibm.db2.jcc.am.DisconnectNonTransientConnectionException: [jcc][t4][2043][11550][4.21.29] Exception java.net.ConnectException: Error opening socket to server localhost/127.0.0.1 on port 50,000 with message: Connection refused (Connection refused). ERRORCODE=-4499, SQLSTATE=08001
at com.ibm.db2.jcc.am.kd.a(kd.java:338)
at com.ibm.db2.jcc.am.kd.a(kd.java:435)
at com.ibm.db2.jcc.t4.ac.a(ac.java:440)
at com.ibm.db2.jcc.t4.ac.<init>(ac.java:96)
at com.ibm.db2.jcc.t4.a.b(a.java:366)
at com.ibm.db2.jcc.t4.b.newAgent_(b.java:2076)
at com.ibm.db2.jcc.am.Connection.initConnection(Connection.java:812)
at com.ibm.db2.jcc.am.Connection.<init>(Connection.java:754)
at com.ibm.db2.jcc.t4.b.<init>(b.java:339)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:233)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:199)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:482)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:116)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:319)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:212)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:736)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:668)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:483)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:154)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEConnectionPool.<init>(TomEEDataSourceCreator.java:221)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEDataSource.createPool(TomEEDataSourceCreator.java:154)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEDataSource.<init>(TomEEDataSourceCreator.java:131)
at org.apache.tomee.jdbc.TomEEDataSourceCreator.pool(TomEEDataSourceCreator.java:68)
at org.apache.openejb.resource.jdbc.pool.PoolDataSourceCreator.poolManaged(PoolDataSourceCreator.java:80)
at org.apache.openejb.resource.jdbc.DataSourceFactory.create(DataSourceFactory.java:213)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.xbean.recipe.ReflectionUtil$StaticFactory.create(ReflectionUtil.java:999)
at org.apache.xbean.recipe.ObjectRecipe.internalCreate(ObjectRecipe.java:276)
at org.apache.xbean.recipe.AbstractRecipe.create(AbstractRecipe.java:96)
at org.apache.xbean.recipe.AbstractRecipe.create(AbstractRecipe.java:61)
at org.apache.openejb.assembler.classic.Assembler.doCreateResource(Assembler.java:3131)
at org.apache.openejb.assembler.classic.Assembler.createResource(Assembler.java:2964)
at org.apache.openejb.assembler.classic.Assembler.buildContainerSystem(Assembler.java:586)
at org.apache.openejb.assembler.classic.Assembler.build(Assembler.java:487)
at org.apache.openejb.OpenEJB$Instance.<init>(OpenEJB.java:150)
at org.apache.openejb.OpenEJB.init(OpenEJB.java:307)
at org.apache.tomee.catalina.TomcatLoader.initialize(TomcatLoader.java:247)
at org.apache.tomee.catalina.ServerListener.lifecycleEvent(ServerListener.java:168)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:395)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:108)
at org.apache.catalina.startup.Catalina.load(Catalina.java:632)
at org.apache.catalina.startup.Catalina.load(Catalina.java:655)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:400)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:243)
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:225)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:402)
at java.base/java.net.Socket.connect(Socket.java:591)
at com.ibm.db2.jcc.t4.w.run(w.java:49)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at com.ibm.db2.jcc.t4.ac.a(ac.java:426)
... 49 more
10-Sep-2018 21:04:16.192 SEVERE [main] org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEDataSource.<init> Can't create DataSource
com.ibm.db2.jcc.am.DisconnectNonTransientConnectionException: [jcc][t4][2043][11550][4.21.29] Exception java.net.ConnectException: Error opening socket to server localhost/127.0.0.1 on port 50,000 with message: Connection refused (Connection refused). ERRORCODE=-4499, SQLSTATE=08001
at com.ibm.db2.jcc.am.kd.a(kd.java:338)
at com.ibm.db2.jcc.am.kd.a(kd.java:435)
at com.ibm.db2.jcc.t4.ac.a(ac.java:440)
at com.ibm.db2.jcc.t4.ac.<init>(ac.java:96)
at com.ibm.db2.jcc.t4.a.b(a.java:366)
at com.ibm.db2.jcc.t4.b.newAgent_(b.java:2076)
at com.ibm.db2.jcc.am.Connection.initConnection(Connection.java:812)
at com.ibm.db2.jcc.am.Connection.<init>(Connection.java:754)
at com.ibm.db2.jcc.t4.b.<init>(b.java:339)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:233)
at com.ibm.db2.jcc.DB2SimpleDataSource.getConnection(DB2SimpleDataSource.java:199)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:482)
at com.ibm.db2.jcc.DB2Driver.connect(DB2Driver.java:116)
at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:319)
at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:212)
at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:736)
at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:668)
at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:483)
at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:154)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEConnectionPool.<init>(TomEEDataSourceCreator.java:221)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEDataSource.createPool(TomEEDataSourceCreator.java:154)
at org.apache.tomee.jdbc.TomEEDataSourceCreator$TomEEDataSource.<init>(TomEEDataSourceCreator.java:131)
at org.apache.tomee.jdbc.TomEEDataSourceCreator.pool(TomEEDataSourceCreator.java:68)
at org.apache.openejb.resource.jdbc.pool.PoolDataSourceCreator.poolManaged(PoolDataSourceCreator.java:80)
at org.apache.openejb.resource.jdbc.DataSourceFactory.create(DataSourceFactory.java:213)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.xbean.recipe.ReflectionUtil$StaticFactory.create(ReflectionUtil.java:999)
at org.apache.xbean.recipe.ObjectRecipe.internalCreate(ObjectRecipe.java:276)
at org.apache.xbean.recipe.AbstractRecipe.create(AbstractRecipe.java:96)
at org.apache.xbean.recipe.AbstractRecipe.create(AbstractRecipe.java:61)
at org.apache.openejb.assembler.classic.Assembler.doCreateResource(Assembler.java:3131)
at org.apache.openejb.assembler.classic.Assembler.createResource(Assembler.java:2964)
at org.apache.openejb.assembler.classic.Assembler.buildContainerSystem(Assembler.java:586)
at org.apache.openejb.assembler.classic.Assembler.build(Assembler.java:487)
at org.apache.openejb.OpenEJB$Instance.<init>(OpenEJB.java:150)
at org.apache.openejb.OpenEJB.init(OpenEJB.java:307)
at org.apache.tomee.catalina.TomcatLoader.initialize(TomcatLoader.java:247)
at org.apache.tomee.catalina.ServerListener.lifecycleEvent(ServerListener.java:168)
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94)
at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:395)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:108)
at org.apache.catalina.startup.Catalina.load(Catalina.java:632)
at org.apache.catalina.startup.Catalina.load(Catalina.java:655)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:309)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:492)
Caused by: java.net.ConnectException: Connection refused (Connection refused)
at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:400)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:243)
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:225)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:402)
at java.base/java.net.Socket.connect(Socket.java:591)
at com.ibm.db2.jcc.t4.w.run(w.java:49)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at com.ibm.db2.jcc.t4.ac.a(ac.java:426)
... 49 more
-
-
-
研究，发现这个链接......：
http://www-01.ibm.com/support/docview.wss?uid=swg21287078
...但是，“解决方案”似乎假设tomee服务器和db2服务器都在同一台机器上（？）...
另外，fwiw ......
这是tomee / tomcat server.xml ...
<?xml version="1.0" encoding="UTF-8"?>
<Server port="8005" shutdown="SHUTDOWN">
<!-- TomEE plugin for Tomcat -->
<Listener className="org.apache.tomee.catalina.ServerListener" />
<Listener className="org.apache.catalina.startup.VersionLoggerListener" />
<!--APR library loader. Documentation at /docs/apr.html -->
<Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" />
<!-- Prevent memory leaks due to use of particular java/javax APIs-->
<Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
<Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
<Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />
<GlobalNamingResources>
<Resource name="UserDatabase" auth="Container"
type="org.apache.catalina.UserDatabase"
description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
pathname="conf/tomcat-users.xml" />
</GlobalNamingResources>
<Service name="Catalina">
<Connector port="8084" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" xpoweredBy="false" server="Apache TomEE" />
<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
<Engine name="Catalina" defaultHost="localhost">
<Realm className="org.apache.catalina.realm.LockOutRealm">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase"/>
</Realm>
<Host name="localhost" appBase="webapps" unpackWARs="true" autoDeploy="true">
<Valve className="org.apache.catalina.valves.AccessLogValve" directory="logs" prefix="localhost_access_log" suffix=".txt" pattern="%h %l %u %t "%r" %s %b" />
</Host>
</Engine>
</Service>
</Server>
这是tomee / tomcat tomee.xml ...
<?xml version="1.0" encoding="UTF-8"?>
<tomee>
<Resource id="jdbc/sample" type="javax.sql.DataSource">
driverClassName = com.ibm.db2.jcc.DB2Driver
jdbcDriverType = 4
url = jdbc:db2://localhost:50000/SAMPLE
username = DB2INST1
password = mydb2-pwd
</Resource>
</tomee>
用于生成apache-tomee-plume-7.0.5 docker容器的Dockerfile ...
FROM openjdk:10-jre
ENV PATH /usr/local/tomee/bin:$PATH
RUN mkdir -p /usr/local/tomee
WORKDIR /usr/local/tomee
# curl -fsSL 'https://www.apache.org/dist/tomee/KEYS' | awk -F ' = ' '$1 ~ /^ +Key fingerprint$/ { gsub(" ", "", $2); print $2 }' | sort -u
ENV GPG_KEYS \
223D3A74B068ECA354DC385CE126833F9CF64915 \
678F2D98F1FD9643811639FB622B8F2D043F71D8 \
7A2744A8A9AAF063C23EB7868EBE7DBE8D050EEF \
82D8419BA697F0E7FB85916EE91287822FDB81B1 \
9056B710F1E332780DE7AF34CBAEBE39A46C4CA1 \
A57DAF81C1B69921F4BA8723A8DE0A4DB863A7C1 \
B7574789F5018690043E6DD9C212662E12F3E1DD \
B8B301E6105DF628076BD92C5483E55897ABD9B9 \
BDD0BBEB753192957EFC5F896A62FC8EF17D8FEF \
C23A3F6F595EBD0F960270CC997C8F1A5BE6E4C1 \
D11DF12CC2CA4894BDE638B967C1227A2678363C \
DBCCD103B8B24F86FFAAB025C8BB472CD297D428 \
F067B8140F5DD80E1D3B5D92318242FE9A0B1183 \
FAA603D58B1BA4EDF65896D0ED340E0E6D545F97
RUN set -xe \
&& for key in $GPG_KEYS; do \
gpg --keyserver pgp.mit.edu --keyserver-options http-proxy=proxy.apps.dhs.gov:80 --recv-keys "$key" || \
gpg --keyserver keyserver.pgp.com --keyserver-options http-proxy=proxy.apps.dhs.gov:80 --recv-keys "$key" || \
gpg --keyserver ha.pool.sks-keyservers.net --keyserver-options http-proxy=proxy.apps.dhs.gov:80 --recv-keys "$key" ; \
done
RUN set -x \
&& curl -fSL https://repo.maven.apache.org/maven2/org/apache/tomee/apache-tomee/7.0.5/apache-tomee-7.0.5-plume.tar.gz.asc --proxy proxy.apps.dhs.gov:80 -o tomee.tar.gz.asc \
&& curl -fSL https://repo.maven.apache.org/maven2/org/apache/tomee/apache-tomee/7.0.5/apache-tomee-7.0.5-plume.tar.gz --proxy proxy.apps.dhs.gov:80 -o tomee.tar.gz \
&& gpg --batch --verify tomee.tar.gz.asc tomee.tar.gz \
&& tar -zxf tomee.tar.gz \
&& mv apache-tomee-plume-7.0.5/* /usr/local/tomee \
&& rm -Rf apache-tomee-plume-7.0.5 \
&& rm bin/*.bat \
&& rm tomee.tar.gz*
EXPOSE 8084
CMD ["catalina.sh", "run"]
Dockerized DB2来自：
https://hub.docker.com/r/ibmcom/db2express-c/
Tomee创业公司：
root@5f9812df3398:/usr/local/tomee/bin# sh startup.sh
./catalina.sh: 165: ./catalina.sh: /docker-java-home=/docker-java-home: not found
Using CATALINA_BASE: /usr/local/tomee
Using CATALINA_HOME: /usr/local/tomee
Using CATALINA_TMPDIR: /usr/local/tomee/temp
Using JRE_HOME: /docker-java-home
Using CLASSPATH: /usr/local/tomee/bin/bootstrap.jar:/usr/local/tomee/bin/tomcat-juli.jar
Tomcat started.
环境：
openjdk 10（在tomee / db2 docker容器中运行）
tomee-plume-7.0.5（dockerized）
db2 11.x（dockerized）
您正尝试使用ip作为localhost从tomcat容器连接到db。但实际上db是单独的容器。因此，您必须使用数据库计算机的alias或者在主机网络模式或桥接模式下使用端口转发将其连接到主机，然后您必须使用主机的静态IP将其连接为tomcat中的以下任一项。
jdbc:db2://<host-machine-static-ip>:50000/SAMPLEjdbc:db2://<docker-container-ip>:50000/SAMPLEjdbc:db2://<docker-container-alias>:50000/SAMPLE让我简要解释一下。
我的假设：
docker run运行容器。如果我的所有假设都正确，那么docker网络配置就会出现问题。基本上，您可以通过不同的方式从一个容器连接到另一个容器。
简要推荐的方式
您必须为容器定义别名，为此您可以使用服务名称，也可以声明其他别名。然后两者都应连接到同一网络，然后只有docker服务发现才能工作。完成所有操作后，您可以使用其他计算机的别名从一个容器连接到另一个容器。
参考文献：
要在连接字符串中使用主机名“localhost”访问其他容器，请在启动两个容器时使用主机网络。注意：主机网络驱动程序仅适用于Linux主机。
例：
docker run -it --name webtest --net=host web:latest /bin/bash
docker run -it --name dbtest --net=host db2:latest /bin/bash
检查以下链接以获取主机网络详细信